:root {
    --bg: #111;
    --text: #fff;
    --accent: cyan;
    --card: rgba(15,15,15,0.6);
}

body {
    font-family: Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    padding: 30px;
}

.container {
    max-width: 900px;
    margin: auto;
    background: #222;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 0 25px rgba(0,255,255,0.1);
}

/* ========== HOLOGRAPHIC MULTI-SELECT CARDS ========== */
.site-card-container {
    margin-top: 25px;
}

.section-title {
    font-size: 22px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 600;
}

.site-cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 22px;
}

.site-cards input[type="checkbox"] {
    display: none;
}

.holo-card {
    width: 150px;
    padding: 22px 12px;
    border-radius: 18px;
    text-align: center;
    cursor: pointer;
    background: var(--card);
    backdrop-filter: blur(12px);
    border: 2px solid rgba(0,255,255,0.25);
    box-shadow: 0 0 20px rgba(0,255,255,0.15), inset 0 0 15px rgba(0,255,255,0.05);
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.3s ease, border 0.3s ease;
}

.holo-card:hover {
    transform: translateY(-8px) scale(1.04);
    animation: rainbow-border 2.5s infinite linear;
}

@keyframes rainbow-border {
    0%   { border-color: #00ffff; }
    25%  { border-color: #ff00ff; }
    50%  { border-color: #ffcc00; }
    75%  { border-color: #00ff66; }
    100% { border-color: #00ffff; }
}

.holo-card::before {
    content: "";
    position: absolute;
    top: -30%;
    left: -60%;
    width: 250%;
    height: 250%;
    background: linear-gradient(120deg, transparent 20%, rgba(255,255,255,0.12) 50%, transparent 80%);
    transform: rotate(20deg);
    animation: shimmer 3s infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0%   { transform: translateX(-200%) rotate(20deg); }
    100% { transform: translateX(200%) rotate(20deg); }
}

.holo-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 18px;
    box-shadow: 0 0 20px rgba(0,255,255,0.15), 0 0 30px rgba(0,255,255,0.05), inset 0 0 20px rgba(0,255,255,0.05);
    z-index: -1;
}

.holo-card .icon {
    font-size: 34px;
    margin-bottom: 12px;
    animation: pulse-glow 2s infinite alternate;
}

@keyframes pulse-glow {
    from { text-shadow: 0 0 4px cyan; }
    to   { text-shadow: 0 0 12px cyan; }
}

.holo-card .site-name {
    color: var(--text);
    font-size: 16px;
    font-weight: 600;
    text-shadow: 0 0 8px rgba(0,255,255,0.4);
}

.site-cards input:checked + .holo-card {
    background: rgba(0,40,40,0.85);
    border: 2px solid cyan;
    box-shadow: 0 0 35px rgba(0,255,255,0.75), inset 0 0 30px rgba(0,255,255,0.45), 0 0 15px rgba(0,255,255,0.35);
    transform: translateY(-10px) scale(1.06);
}

.holo-card:active {
    transform: scale(0.97);
}

/* ========== RESULT CARDS ========== */
.result-container {
    margin-top: 30px;
}

.result-card {
    background: rgba(0,0,0,0.7);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 18px;
    box-shadow: 0 0 12px rgba(0,255,255,0.3);
    border: 1px solid rgba(0,255,255,0.2);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 25px rgba(0,255,255,0.6);
}

.result-card h3 {
    color: cyan;
    margin-bottom: 10px;
}

.result-card ul {
    margin: 0;
    padding-left: 18px;
}